﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Navigation;
using System.Windows.Shapes;
using MusicStore.Silverlight.Helpers;
using MusicStore.Silverlight.Infrastructure;
using System.Threading;

namespace MusicStore.Silverlight
{
    public partial class MainPage : UserControl
    {
        public MainPage(INavigationContentLoader navigationLoader)
        {
            InitializeComponent();

            //ContentFrame.Navigated += ContentFrame_Navigated;
            //ContentFrame.NavigationFailed += ContentFrame_NavigationFailed;
            ContentFrame.ContentLoader = navigationLoader;

            // Security critical method, cannot be called from SL
            // SynchronizationContext.SetSynchronizationContext(SynchronizationContext.Current);

            // LayoutUpdated += MainPage_LayoutUpdated;
        }

        //void MainPage_LayoutUpdated(object sender, EventArgs e)
        //{
        //   LayoutUpdated -= MainPage_LayoutUpdated;
        //   // Theming.ApplyTheme(LayoutRoot);
        //}

        // After the Frame navigates, ensure the HyperlinkButton representing the current page is selected
        protected virtual void ContentFrame_Navigated(object sender, NavigationEventArgs e)
        {
            foreach (UIElement child in LinksStackPanel.Children)
            {
                HyperlinkButton hb = child as HyperlinkButton;
                if (hb != null && hb.NavigateUri != null)
                {
                    if (hb.NavigateUri.ToString().Equals(e.Uri.ToString()))
                    {
                        VisualStateManager.GoToState(hb, "ActiveLink", true);
                    }
                    else
                    {
                        VisualStateManager.GoToState(hb, "InactiveLink", true);
                    }
                }
            }
        }

        // If an error occurs during navigation, show an error window
        protected virtual void ContentFrame_NavigationFailed(object sender, NavigationFailedEventArgs e)
        {
            e.Handled = true;
            ChildWindow errorWin = new ErrorWindow(e.Uri);
            errorWin.Show();
        }
    }
}